400ci V8โ€ขRWDโ€ขAUTOMATICโ€ขgas
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor โ€” $99 โ†’
Fluid ยท Coolant

Coolant

for 1976 Chevrolet C30 400ci V8 ยท RWD
Fluid Type
Ethylene glycol 50/50 green
Spec: GM 1899-M or equivalent
Capacity
20qt
18.92 L
Drain & Refill
18 qt
17.03 L
Change Interval
24,000 mi
38,616 km

Notes

Total system capacity with heater. 400 V8 has slightly larger cooling system

Other fluid systems on this vehicle

๐Ÿ”ง Database maintained under the daily editorial review of Chris Hackleman ยท Master Technician ยท 20+ years. Spot an error? Use the Help link above โ€” a human reads every report.
Stuck on this repair? Take it to The Diag Desk โ€” ask a master tech about this exact car โ†’ real human answer within 24h, never AI
โš  STILL BEHIND THE PAYWALL
The 1976 Chevrolet C30 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy โ€” and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Chevrolet C30 โ€” $99 โ†’
Building an app?
Free API access to all this data โ€” 10 requests/day, no card required.
Get an API key โ†’
Run a shop?
Manage repairs, estimates, and customers with ShopBase โ€” $249/mo, all features included.
Try ShopBase โ†’